<template>
    <div class="padding20">
        <!--面包屑导航区域-->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>

        <!--卡片视图-->
        <el-card>
            <!--2.统计图-->
            <div id="main" class="myecharts"></div>
        </el-card>
    </div>
</template>

<script>
//1.导入
import * as echarts from 'echarts';
import {getReports} from '@/request/report'
import _ from 'lodash'
export default {
    props: {

    },
    components: {

    },
    data() {
        return {
            options: {
                title: {
                text: '用户来源'
                },
                tooltip: {
                trigger: 'axis',
                axisPointer: {
                    type: 'cross',
                    label: {
                    backgroundColor: '#E9EEF3'
                    }
                }
                },
                grid: {
                left: '3%',
                right: '4%',
                bottom: '3%',
                containLabel: true
                },
                xAxis: [
                {
                    boundaryGap: false
                }
                ],
                yAxis: [
                {
                    type: 'value'
                }
                ]
            }
        };
    },
    computed: {

    },
    created() {

    },
    mounted() {
         // 3. 基于准备好的dom，初始化echarts实例
        var myChart = echarts.init(document.getElementById('main'));
        getReports()
        .then(res=>{
            if(res.meta.status!=200){
                return this.$message.error('获取图表数据失败')
            }else{
                const result =  _.merge(res.data,this.options)
                myChart.setOption(result)
            }
        })
       

        // 4. 指定图表的配置项和数据
        // var option = {
        //     title: {
        //         text: 'ECharts 入门示例'
        //     },
        //     tooltip: {},
        //     legend: {
        //         data:['销量']
        //     },
        //     xAxis: {
        //         data: ["衬衫","羊毛衫","雪纺衫","裤子","高跟鞋","袜子"]
        //     },
        //     yAxis: {},
        //     series: [{
        //         name: '销量',
        //         type: 'bar',
        //         data: [5, 20, 36, 10, 10, 20]
        //     }]
        // };

        // 使用刚指定的配置项和数据显示图表。
        //myChart.setOption(option);
    },
    watch: {

    },
    methods: {

    },
};
</script>

<style scoped lang="less">
.myecharts{
    width: 750px;
    height: 400px;
}
</style>
